1
<?xml version="1.0" encoding="UTF-8"?>
1
<?xml version='1.0' encoding='UTF-8'?>
2
2
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3
3
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4
<!ENTITY VERSION "1.0">
4
5
<!ENTITY CONFNAME "mandos-clients.conf">
5
6
<!ENTITY CONFPATH "<filename>/etc/mandos/clients.conf</filename>">
6
<!ENTITY TIMESTAMP "2014-06-22">
7
<!ENTITY % common SYSTEM "common.ent">
7
<!ENTITY TIMESTAMP "2008-08-29">
11
<refentry xmlns:xi="http://www.w3.org/2001/XInclude">
13
12
<title>Mandos Manual</title>
14
13
<!-- NWalsh’s docbook scripts use this to generate the footer: -->
15
14
<productname>Mandos</productname>
16
<productnumber>&version;</productnumber>
15
<productnumber>&VERSION;</productnumber>
17
16
<date>&TIMESTAMP;</date>
20
19
<firstname>Björn</firstname>
21
20
<surname>Påhlsson</surname>
23
<email>belorn@recompile.se</email>
22
<email>belorn@fukt.bsnet.se</email>
27
26
<firstname>Teddy</firstname>
28
27
<surname>Hogeborn</surname>
30
<email>teddy@recompile.se</email>
29
<email>teddy@fukt.bsnet.se</email>
40
35
<holder>Teddy Hogeborn</holder>
41
36
<holder>Björn Påhlsson</holder>
43
<xi:include href="legalnotice.xml"/>
40
This manual page is free software: you can redistribute it
41
and/or modify it under the terms of the GNU General Public
42
License as published by the Free Software Foundation,
43
either version 3 of the License, or (at your option) any
48
This manual page is distributed in the hope that it will
49
be useful, but WITHOUT ANY WARRANTY; without even the
50
implied warranty of MERCHANTABILITY or FITNESS FOR A
51
PARTICULAR PURPOSE. See the GNU General Public License
56
You should have received a copy of the GNU General Public
57
License along with this program; If not, see
58
<ulink url="http://www.gnu.org/licenses/"/>.
47
64
<refentrytitle>&CONFNAME;</refentrytitle>
48
65
<manvolnum>5</manvolnum>
66
85
><refentrytitle>mandos</refentrytitle>
67
86
<manvolnum>8</manvolnum></citerefentry>, read by it at startup.
68
87
The file needs to list all clients that should be able to use
69
the service. The settings in this file can be overridden by
70
runtime changes to the server, which it saves across restarts.
71
(See the section called <quote>PERSISTENT STATE</quote> in
72
<citerefentry><refentrytitle>mandos</refentrytitle><manvolnum
73
>8</manvolnum></citerefentry>.) However, any <emphasis
74
>changes</emphasis> to this file (including adding and removing
75
clients) will, at startup, override changes done during runtime.
88
the service. All clients listed will be regarded as valid, even
89
if a client was declared invalid in a previous run of the
78
93
The format starts with a <literal>[<replaceable>section
102
117
start time expansion, see <xref linkend="expansion"/>.
105
Unknown options are ignored. The used options are as follows:
120
Uknown options are ignored. The used options are as follows:
111
<term><option>approval_delay<literal> = </literal><replaceable
112
>TIME</replaceable></option></term>
115
This option is <emphasis>optional</emphasis>.
118
How long to wait for external approval before resorting to
119
use the <option>approved_by_default</option> value. The
120
default is <quote>PT0S</quote>, i.e. not to wait.
123
The format of <replaceable>TIME</replaceable> is the same
124
as for <varname>timeout</varname> below.
130
<term><option>approval_duration<literal> = </literal
131
><replaceable>TIME</replaceable></option></term>
134
This option is <emphasis>optional</emphasis>.
137
How long an external approval lasts. The default is 1
141
The format of <replaceable>TIME</replaceable> is the same
142
as for <varname>timeout</varname> below.
148
<term><option>approved_by_default<literal> = </literal
149
>{ <literal >1</literal> | <literal>yes</literal> | <literal
150
>true</literal> | <literal>on</literal> | <literal
151
>0</literal> | <literal>no</literal> | <literal
152
>false</literal> | <literal>off</literal> }</option></term>
155
Whether to approve a client by default after
156
the <option>approval_delay</option>. The default
157
is <quote>True</quote>.
163
<term><option>checker<literal> = </literal><replaceable
164
>COMMAND</replaceable></option></term>
167
This option is <emphasis>optional</emphasis>.
170
This option overrides the default shell command that the
171
server will use to check if the client is still up. Any
172
output of the command will be ignored, only the exit code
173
is checked: If the exit code of the command is zero, the
174
client is considered up. The command will be run using
175
<quote><command><filename>/bin/sh</filename>
126
<term><literal><varname>timeout</varname></literal></term>
128
<synopsis><literal>timeout = </literal><replaceable
132
The timeout is how long the server will wait for a
133
successful checker run until a client is considered
134
invalid - that is, ineligible to get the data this server
135
holds. By default Mandos will use 1 hour.
138
The <replaceable>TIME</replaceable> is specified as a
139
space-separated number of values, each of which is a
140
number and a one-character suffix. The suffix must be one
141
of <quote>d</quote>, <quote>s</quote>, <quote>m</quote>,
142
<quote>h</quote>, and <quote>w</quote> for days, seconds,
143
minutes, hours, and weeks, respectively. The values are
144
added together to give the total time value, so all of
145
<quote><literal>330s</literal></quote>,
146
<quote><literal>110s 110s 110s</literal></quote>, and
147
<quote><literal>5m 30s</literal></quote> will give a value
148
of five minutes and thirty seconds.
154
<term><literal><varname>interval</varname></literal></term>
156
<synopsis><literal>interval = </literal><replaceable
160
How often to run the checker to confirm that a client is
161
still up. <emphasis>Note:</emphasis> a new checker will
162
not be started if an old one is still running. The server
163
will wait for a checker to complete until the above
164
<quote><varname>timeout</varname></quote> occurs, at which
165
time the client will be marked invalid, and any running
166
checker killed. The default interval is 5 minutes.
169
The format of <replaceable>TIME</replaceable> is the same
170
as for <varname>timeout</varname> above.
176
<term><literal>checker</literal></term>
178
<synopsis><literal>checker = </literal><replaceable
179
>COMMAND</replaceable>
182
This option allows you to override the default shell
183
command that the server will use to check if the client is
184
still up. Any output of the command will be ignored, only
185
the exit code is checked: If the exit code of the command
186
is zero, the client is considered up. The command will be
187
run using <quote><command><filename>/bin/sh</filename>
176
188
<option>-c</option></command></quote>, so
177
189
<varname>PATH</varname> will be searched. The default
178
190
value for the checker command is <quote><literal
179
191
><command>fping</command> <option>-q</option> <option
180
>--</option> %%(host)s</literal></quote>. Note that
181
<command>mandos-keygen</command>, when generating output
182
to be inserted into this file, normally looks for an SSH
183
server on the Mandos client, and, if it find one, outputs
184
a <option>checker</option> option to check for the
185
client’s key fingerprint – this is more secure against
192
>--</option> %(host)s</literal></quote>.
189
195
In addition to normal start time expansion, this option
197
<term><option>extended_timeout<literal> = </literal><replaceable
198
>TIME</replaceable></option></term>
201
This option is <emphasis>optional</emphasis>.
204
Extended timeout is an added timeout that is given once
205
after a password has been sent successfully to a client.
206
The timeout is by default longer than the normal timeout,
207
and is used for handling the extra long downtime while a
208
machine is booting up. Time to take into consideration
209
when changing this value is file system checks and quota
210
checks. The default value is 15 minutes.
213
The format of <replaceable>TIME</replaceable> is the same
214
as for <varname>timeout</varname> below.
220
<term><option>fingerprint<literal> = </literal
221
><replaceable>HEXSTRING</replaceable></option></term>
224
This option is <emphasis>required</emphasis>.
203
<term><literal>fingerprint</literal></term>
205
<synopsis><literal>fingerprint = </literal><replaceable
206
>HEXSTRING</replaceable>
227
209
This option sets the OpenPGP fingerprint that identifies
228
210
the public key that clients authenticate themselves with
236
<term><option><literal>host = </literal><replaceable
237
>STRING</replaceable></option></term>
240
This option is <emphasis>optional</emphasis>, but highly
241
<emphasis>recommended</emphasis> unless the
242
<option>checker</option> option is modified to a
243
non-standard value without <quote>%%(host)s</quote> in it.
246
Host name for this client. This is not used by the server
247
directly, but can be, and is by default, used by the
248
checker. See the <option>checker</option> option.
254
<term><option>interval<literal> = </literal><replaceable
255
>TIME</replaceable></option></term>
258
This option is <emphasis>optional</emphasis>.
261
How often to run the checker to confirm that a client is
262
still up. <emphasis>Note:</emphasis> a new checker will
263
not be started if an old one is still running. The server
264
will wait for a checker to complete until the below
265
<quote><varname>timeout</varname></quote> occurs, at which
266
time the client will be disabled, and any running checker
267
killed. The default interval is 2 minutes.
270
The format of <replaceable>TIME</replaceable> is the same
271
as for <varname>timeout</varname> below.
277
<term><option>secfile<literal> = </literal><replaceable
278
>FILENAME</replaceable></option></term>
281
This option is only used if <option>secret</option> is not
282
specified, in which case this option is
283
<emphasis>required</emphasis>.
286
Similar to the <option>secret</option>, except the secret
287
data is in an external file. The contents of the file
288
should <emphasis>not</emphasis> be base64-encoded, but
289
will be sent to clients verbatim.
292
File names of the form <filename>~user/foo/bar</filename>
293
and <filename>$<envar>ENVVAR</envar>/foo/bar</filename>
300
<term><option>secret<literal> = </literal><replaceable
301
>BASE64_ENCODED_DATA</replaceable></option></term>
304
If this option is not specified, the <option
305
>secfile</option> option is <emphasis>required</emphasis>
218
<term><literal>secret</literal></term>
220
<synopsis><literal>secret = </literal><replaceable
221
>BASE64_ENCODED_DATA</replaceable>
309
224
If present, this option must be set to a string of
310
225
base64-encoded binary data. It will be decoded and sent
323
238
lines is that a line beginning with white space adds to
324
239
the value of the previous line, RFC 822-style.
330
<term><option>timeout<literal> = </literal><replaceable
331
>TIME</replaceable></option></term>
334
This option is <emphasis>optional</emphasis>.
337
The timeout is how long the server will wait, after a
338
successful checker run, until a client is disabled and not
339
allowed to get the data this server holds. By default
340
Mandos will use 5 minutes. See also the
341
<option>extended_timeout</option> option.
344
The <replaceable>TIME</replaceable> is specified as an RFC
345
3339 duration; for example
346
<quote><literal>P1Y2M3DT4H5M6S</literal></quote> meaning
347
one year, two months, three days, four hours, five
348
minutes, and six seconds. Some values can be omitted, see
349
RFC 3339 Appendix A for details.
355
<term><option>enabled<literal> = </literal>{ <literal
356
>1</literal> | <literal>yes</literal> | <literal>true</literal
357
> | <literal >on</literal> | <literal>0</literal> | <literal
358
>no</literal> | <literal>false</literal> | <literal
359
>off</literal> }</option></term>
362
Whether this client should be enabled by default. The
363
default is <quote>true</quote>.
242
If this option is not specified, the <option
243
>secfile</option> option is used instead, but one of them
244
<emphasis>must</emphasis> be present.
250
<term><literal>secfile</literal></term>
252
<synopsis><literal>secfile = </literal><replaceable
253
>FILENAME</replaceable>
256
The same as <option>secret</option>, but the secret data
257
is in an external file. The contents of the file should
258
<emphasis>not</emphasis> be base64-encoded, but will be
259
sent to clients verbatim.
262
This option is only used, and <emphasis>must</emphasis> be
263
present, if <option>secret</option> is not specified.
269
<term><literal>host</literal></term>
271
<synopsis><literal>host = </literal><replaceable
272
>STRING</replaceable>
275
Host name for this client. This is not used by the server
276
directly, but can be, and is by default, used by the
277
checker. See the <option>checker</option> option.
371
285
<refsect1 id="expansion">
372
286
<title>EXPANSION</title>
403
317
<quote><literal>%%(<replaceable>foo</replaceable>)s</literal
404
318
></quote> will be replaced by the value of the attribute
405
319
<varname>foo</varname> of the internal
406
<quote><classname>Client</classname></quote> object in the
407
Mandos server. The currently allowed values for
408
<replaceable>foo</replaceable> are:
409
<quote><literal>approval_delay</literal></quote>,
410
<quote><literal>approval_duration</literal></quote>,
411
<quote><literal>created</literal></quote>,
412
<quote><literal>enabled</literal></quote>,
413
<quote><literal>expires</literal></quote>,
414
<quote><literal>fingerprint</literal></quote>,
415
<quote><literal>host</literal></quote>,
416
<quote><literal>interval</literal></quote>,
417
<quote><literal>last_approval_request</literal></quote>,
418
<quote><literal>last_checked_ok</literal></quote>,
419
<quote><literal>last_enabled</literal></quote>,
420
<quote><literal>name</literal></quote>,
421
<quote><literal>timeout</literal></quote>, and, if using
422
D-Bus, <quote><literal>dbus_object_path</literal></quote>.
423
See the source code for details. <emphasis role="strong"
424
>Currently, <emphasis>none</emphasis> of these attributes
425
except <quote><literal>host</literal></quote> are guaranteed
426
to be valid in future versions.</emphasis> Therefore, please
427
let the authors know of any attributes that are useful so they
428
may be preserved to any new versions of this software.
320
<quote><classname>Client</classname></quote> object. See the
321
source code for details, and let the authors know of any
322
attributes that are useful so they may be preserved to any new
323
versions of this software.
431
326
Note that this means that, in order to include an actual
490
385
4T2zw4dxS5NswXWU0sVEXxjs6PYxuIiCTL7vdpx8QjBkrPWDrAbcMyBr2O
492
387
host = foo.example.org
497
392
fingerprint = 3e393aeaefb84c7e89e2f547b3a107558fca3a27
498
393
secfile = /etc/mandos/bar-secret
500
approved_by_default = False
501
approval_delay = PT30S
502
396
</programlisting>
503
397
</informalexample>
506
400
<refsect1 id="see_also">
507
401
<title>SEE ALSO</title>
509
<citerefentry><refentrytitle>intro</refentrytitle>
510
<manvolnum>8mandos</manvolnum></citerefentry>,
511
<citerefentry><refentrytitle>mandos-keygen</refentrytitle>
512
<manvolnum>8</manvolnum></citerefentry>,
513
<citerefentry><refentrytitle>mandos.conf</refentrytitle>
514
<manvolnum>5</manvolnum></citerefentry>,
515
<citerefentry><refentrytitle>mandos</refentrytitle>
516
<manvolnum>8</manvolnum></citerefentry>,
517
<citerefentry><refentrytitle>fping</refentrytitle>
518
<manvolnum>8</manvolnum></citerefentry>
404
<refentrytitle>mandos</refentrytitle>
405
<manvolnum>8</manvolnum></citerefentry>, <citerefentry>
406
<refentrytitle>mandos-keygen</refentrytitle>
407
<manvolnum>8</manvolnum></citerefentry>, <citerefentry>
408
<refentrytitle>mandos.conf</refentrytitle>
409
<manvolnum>5</manvolnum></citerefentry>
523
RFC 3339: <citetitle>Date and Time on the Internet:
524
Timestamps</citetitle>
528
The time intervals are in the "duration" format, as
529
specified in ABNF in Appendix A of RFC 3339.
536
413
<!-- Local Variables: -->